Fatigue Life Assessment under Random Loadings
A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Failure Analysis".
Deadline for manuscript submissions: closed (31 July 2020) | Viewed by 3874
Special Issue Editor
Interests: fatigue; welded joints; experimental mechanics; FEM; damage models; low-cycle fatigue; aluminum foam; residual stress
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Fatigue knowledge is currently not far from a phenomenological stage despite the relevant effort of researchers over the last two centuries to individuate a theoretical framework. In principle, each load cycle applied to a structural component could potentially lead to an increase of its damage level. This idea is at the same time fascinating and complicated to be translated into practical predictive models and experimental verifications, since the low level of the damage amount introduced by a single load cycle is not measurable at a metallurgical and macroscopic level. The application of variable amplitude loads or random loading sequences further complicates the problem, since the fatigue damage introduced by each cycle depends not only by the applied load, but also on the pre-existing damage level in the component. However, understanding the physical process that determines damage introduced by each load cycle and its interaction with the pre-existing damage is key to achieving a clear interpretation of the fatigue damage phenomenon in all its aspects. For this reason, each progress attained in the fatigue assessment under random loads is important also for the comprehension of the constant amplitude fatigue phenomenon. The hope is that the continuous improvement of experimental techniques and the advances of numerical techniques could move our fatigue knowledge forward towards understanding the vanishing phenomena from which the material damage originated.
The aim of this Special Issue is to collect several articles about all the aspects that contribute to determining the fatigue behavior of structural components subjected to random loads. Contributions are welcome in the field of the presentation of new damage models, experimental verification of classical and innovative rules for damage accumulation evaluation, the presentation of industrial applications in the automotive, aeronautical and mechanical sector, the improvements of numerical techniques for cycle counting, and the statistical and probabilistic analysis of load history.
Prof. Dr. Riccardo Nobile
Guest Editor
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Keywords
- Fatigue damage
- Random loads
- Load history
- Variable amplitude loads
- High-cycle fatigue
- Damage models
- Fatigue life prediction
- Linear damage rule
- Spectrum fatigue
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